A gathering celebrating Newroz, which marks the arrival of spring and the new year, in Diyarbakir, Turkey, March 21, 2014. REUTERS/Umit Bektas

Saturday, March 22, 2014

A gathering celebrating Newroz, which marks the arrival of spring and the new year, in Diyarbakir, Turkey, March 21, 2014. REUTERS/Umit Bektas

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Saturday, March 22, 2014

A Ukrainian soldier stands guard at a military camp on a field the Ukrainian Army forces set up close to the Russian border in east Ukraine, March 21, 2014. REUTERS/Yannis Behrakis

Saturday, March 22, 2014

A Ukrainian soldier stands guard at a military camp on a field the Ukrainian Army forces set up close to the Russian border in east Ukraine, March 21, 2014. REUTERS/Yannis Behrakis

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Saturday, March 22, 2014

A woman takes part in a photo shoot on Venice Beach in Los Angeles, California March 20, 2014. REUTERS/Lucy Nicholson

Saturday, March 22, 2014

A woman takes part in a photo shoot on Venice Beach in Los Angeles, California March 20, 2014. REUTERS/Lucy Nicholson

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Saturday, March 22, 2014

A family member of a passenger from MH370 grabs his hair during a briefing by the Malaysian government at a hotel in Beijing, March 21, 2014. REUTERS/Kim Kyung-Hoon

Saturday, March 22, 2014

A family member of a passenger from MH370 grabs his hair during a briefing by the Malaysian government at a hotel in Beijing, March 21, 2014. REUTERS/Kim Kyung-Hoon

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Saturday, March 22, 2014

Athletes participate in the fourth international Jerusalem marathon, in the Old City, March 21, 2014. REUTERS/Ronen Zvulun

Saturday, March 22, 2014

Athletes participate in the fourth international Jerusalem marathon, in the Old City, March 21, 2014. REUTERS/Ronen Zvulun

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Saturday, March 22, 2014

U.S. first lady Michelle Obama plays table tennis as Peng Liyuan (R), wife of Chinese President Xi Jinping, looks on during a visit of Beijing Normal School, a school that prepares students for universities abroad, in Beijing March 21, 2014. REUTERS/Andy Wong/Pool

Saturday, March 22, 2014

U.S. first lady Michelle Obama plays table tennis as Peng Liyuan (R), wife of Chinese President Xi Jinping, looks on during a visit of Beijing Normal School, a school that prepares students for universities abroad, in Beijing March 21, 2014. REUTERS/Andy Wong/Pool

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Saturday, March 22, 2014

A MakerBot Replicator 2 desktop 3D printer creates the statue of the late U.S. President Abraham Lincoln at the Lincoln Memorial during a media preview of GE Garage in Washington, March 20, 2014. REUTERS/Gary Cameron

Saturday, March 22, 2014

A MakerBot Replicator 2 desktop 3D printer creates the statue of the late U.S. President Abraham Lincoln at the Lincoln Memorial during a media preview of GE Garage in Washington, March 20, 2014. REUTERS/Gary Cameron